The government is facing a threat of legal action over its handling of the disease endangering the UK's ash trees. It is the last day of campaigning in the US presidential election and the rivals are still neck and neck. Also on the programme, the notebook left lying on the floor of a London pub that nearly revealed one of Britain's biggest post-war intelligence secrets.

0615 Business news with Simon Jack with news on why so many disputes between foreign billionaires end up in courts in the UK.

0625 Sports news with Rob Bonnet.

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0709

A plant nursery in Lincolnshire is suing the government for the way it has handled ash dieback disease. Simon Ellis, managing director at the nursery explains why he is taking legal action.

0712 The prime minister has arrived in Dubai on a trip which is, among other things, about selling typhoon jets. The BBC's security correspondent Frank Gardner has been travelling with the PM.

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0715

Hundreds of millions of pounds flow into our universities each year from overseas and critics argue that these nations are buying respectability and legitimacy. Today programme reporter Andrew Hosken examines why the University and College Union, which represents lecturers and other academic staff, has called for an inquiry into foreign donations.

0722 Business news with Simon Jack.

0725 Sports news with Rob Bonnet.

0732 Lord Stevens' independent review into the future of policing is due out next Spring. Lord Stevens, Chairman of the Independent Commission on the Future of Policing in England and Wales and former Metropolitan Police Commissioner, explains that the results suggest police morale is "collapsing" and Damian Green, Minister of State for Crime and Policing, discuss the future of policing in the UK.

0739 The paper review.

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0742

Tonight's Radio 4's Document programme reveals how Cold War surveillance work, that had been pioneered at the now famous Bletchley Park, remained secret for so long. Mike Thomson reports.

0747 Thought for the Day with Clifford Longley, a religious commentator.

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0750

Today is the last full day of campaigning in the US presidential election. James Naughtie reports from where both candidates converged on the same town in Iowa over the weekend.

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0810

It has been a week since a ban on the import of Ash trees came into force, in an attempt to halt the spread of the deadly fungal disease affecting Ash trees. Tom Feilden sets out what has changed since the ban came in last week and Martin Ward, UK chief plant health officer, outlines why it took so long to tackle it.

0820 This week is the last full week of campaigning for police and crime commissioners across England and Wales. Nick Howe, senior lecturer in criminology at the University of Derby, explains what police commissioners will do.

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0823

The Canadian government is trying to encourage Polish workers living in the UK to move to Canada to help boost the country's labour market. Wiktor Moszczynski, author of Hello I'm your Polish Neighbour, who works with the Polish community in Ealing, and Anita Prazmowska, Professor of International History at London School of Economics, analyse the work ethic of the Poles that have come to the UK.

0826 Sports news with Rob Bonnet.

0834 A large survey of young gay people in England has found that one in four has been bullied. Dan Baker, who runs the project trying to survey young people, and Mica Hamilton who suffered bullying, examine what needs to be done to tackle the problem.

0840 Boris Johnson will announce a new London rate for the living wage this morning. What will it mean for society and for the economy?

0844 Business news with Simon Jack.

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0847

Robert Caro is widely acknowledged to be America's foremost political biographer. James Naughtie spoke with him earlier this week and asked him, as America's 57th presidential election approaches, what has changed about the practise of American politics since his subject's heyday.

0854 Questions have been raised about the health of President Putin. Michael Cox, professor of international relations at LSE, and Alex Von Tunzelmann, historian and author of Red Heat: Conspiracy, Murder and Cold War in the Caribbean, discuss how regimes deal with the morbidity or mortality of their leaders.

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